TESTO 320 Instruction Manual page 36

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Display Measurement parameter
O2 Oxygen
CO2 Carbon dioxide
qA+
Flue gas loss with due consideration of the
calorific value range
η+ Efficiency with due consideration of the calorific
value range
CO Carbon monoxide
COunv Carbon monoxide undiluted
λ Air ratio
COumg Ambient carbon monoxide
CO2um
Ambient carbon dioxide
O2ref Oxygen reference
Draught Draught measurement
ΔP Differential pressure measurement
E draught External draught (external micro pressure
probe)
E-ΔP External differential pressure (external micro
pressure probe)
cCO Carbon dioxide reduction
ExAir Air surplus
qA Flue gas loss without due consideration of the
calorific value range
η Efficiency without consideration of the heat
value range
Dew Pt Flue gas dew point temperature
Nett
Differential temperature
GI Toxin index
ET qA+ - qA
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